CN204460396U - A kind of irradiation eliminating apparatus of high-power non-radiation electromagnetic oven - Google Patents
A kind of irradiation eliminating apparatus of high-power non-radiation electromagnetic oven Download PDFInfo
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- CN204460396U CN204460396U CN201420579963.7U CN201420579963U CN204460396U CN 204460396 U CN204460396 U CN 204460396U CN 201420579963 U CN201420579963 U CN 201420579963U CN 204460396 U CN204460396 U CN 204460396U
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Abstract
The utility model discloses a kind of irradiation eliminating apparatus of high-power non-radiation electromagnetic oven, be made up of metal shell, support panel, radiation coupling, pot body touch pad, cooking pan, electromagnetic conversion operating circuit and power ground.Metal shell, support panel form a complete housing, and the electromagnetic conversion operating circuit of electromagnetic oven and radiation coupling are loaded in housing; Metal shell is connected with pot body touch pad small resistor through radiation coupling after being connected with the ground wire small resistor in power line again, cooking pan small resistor contact pot body touch pad also forms a complete shielding cover body by pot body touch pad and radiation coupling and metal shell, electronic circuit inside shielding cover body produces electromagnetic radiation just can carry out shielding absorption with shielding cover body, and carries out by the ground wire connection the earth in power line elimination of releasing; Realize by adjustment radiation coupling parameter electromagnetic radiation that only shielding elimination leaks and do not affect the conversion of the thermal efficiency, finally reaching electromagnetic oven both can be energy-efficient, the radiationless object leaked again, this technology is applicable to single head or the large and small power electromagnet stove (stove) of bull.
Description
Technical field
The utility model relates to shielding to be reduced or eliminates the field of electrical equipment electromagnetic radiation, especially a kind of electromagnetic radiation can be carried out shielding absorb and carried out the irradiation eliminating apparatus of the high-power non-radiation electromagnetic oven eliminated by the earth connection in power line.
Background technology
Hazards of electromagnetic radiation health of human body, causes the concern of people already.Electromagnetic oven enters huge numbers of families as household electrical appliances rising star in recent years, but because the operation principle of electromagnetic oven is that AC power is converted to direct current through rectifier, direct current is made to become the high-frequency alternating current of 20-30KHZ through RF power conversion equipment again, again high-frequency alternating current is added on the spiral helicine load coil of flat, hollow, produce high-frequency alternating magnetic field thus, its magnetic line of force penetrates the ceramic platen of the kitchen range top and acts on metal pan, just there is powerful eddy current to produce at cooking pan internal cause electromagnetic induction, and produce the thermal source of the cooking.As long as that is substantial radiation source that is superimposed of the low frequency of the electromagnetic oven work high frequency and 220V that just must have 20-30KHZ.Harm for electromagnetic oven radiation causes the concern of people already, and but many electromagnetic oven manufacturers are all carrying out solution by every means producing effects little for this reason.
On July 5th, 2006 bulletin CN200520034113.X patent in disclose the patented technology disclosing " radiation protection electromagentic furnace " in 200520025201.3 patents announced in " a kind of electromagnetic oven with electromagnetic radiation shielding device " and on May 3rd, 2006, although these two patents all refer to use metal shell electromagnetic radiation shielding, but all do not mention the device eliminating radiation, this structure can not eliminate electromagnetic radiation.
The patented technology of " a kind of skid resistant, antimagnetic leakage structure of electromagnetic oven " is disclosed in the CN200510100028.3 patent of bulletin on April 19th, 2006, although have antimagnetic leakage ring and utilize ground wire to eliminate radiation, but there is antimagnetic leakage anchor ring and amass the too little high frequency electromagnetic radiation effectively can not closing low frequency electromagnetic radiation and electromagnetic disc generation, so this patented technology can not shield the electromagnetic radiation eliminating electromagnetic oven effectively in the same old way in him.
I am in the non-radiation electromagnetic oven number of patent application 200710013657.1 and 200720019104.2 of application on February 27th, 2007 in addition, eliminated by power ground again although the mode of the electromagnetic radiation full-shield that can produce electromagnetic oven shields, can ensure that the external electromagnetic-radiation-free of electromagnetic oven leaks, but shell just adopts that to add the method scope of conductive layer at the inwall of plastic casing or outer wall too little in this application, the method of radiating of the shielding cooking pan in addition in this application, loses the magnetic field of a part of conversion thermal energy possibly and reduces the thermal efficiency.
Summary of the invention
Reliably can not shield to overcome existing high-power electromagnetic oven technology the deficiency eliminating electromagnetic radiation, the utility model provides a kind of the screening arrangement of complete closure, the elimination loop of radiation intensity can be controlled, the irradiation eliminating apparatus of the high-power non-radiation electromagnetic oven of electromagnetic oven radiation can be eliminated low-cost high-efficiency with radiation coupling.Not only method is simple to utilize this technology, with low cost and to eliminate radiation effect good.
The utility model adopted technical scheme of dealing with problems is: a kind of irradiation eliminating apparatus of high-power non-radiation electromagnetic oven, metal shell is integrally assigned in by according to exterior, support panel, radiation coupling, pot body touch pad, cooking pan, electromagnetic conversion operating circuit and power ground composition, metal shell and support panel form a complete housing, the electromagnetic conversion operating circuit of electromagnetic oven and radiation coupling are loaded in housing, it is characterized in that: metal shell is connected with pot body touch pad small resistor through radiation coupling after being connected with the ground wire small resistor in power line again, cooking pan small resistor touches pot body touch pad and forms a complete shielding cover body by pot body touch pad and radiation coupling and metal shell, metal shell is except with also can direct ground connection except power ground ground connection.
Described metal shell is the shell adopting metal material processing shaping, and on the metal shell of the inner coil disc of electric stove of correspondence, leave the circular hole being greater than coil disc of electric stove, and support panel covers and is fixed on circular hole.
Described support panel adopts the one in numerous panel such as ceramic panel, black crystal panel.
Described radiation coupling one end is connected with metal shell small resistor, the other end is connected with pot body touch pad small resistor, radiation coupling can be capacitor, resistor, resistance-capacitance coupling device etc. can coupled electromagnetic wave device, also can be one in a wire or the method that is directly connected.
Described pot body touch pad installation site, on the relevant position of shell support panel, and energy small resistor touches the cooking pan in work, shape is the one of disc shape, band shape, wire, strip or point-like body, quantity is one or more, the material good by surface conductance performance makes, and one end and cooking pan carry out small resistor and contact, and the other end is connected with radiation coupling small resistor.
The material that described cooking pan iron or other magnetic properties are good and outer surface resistance is little makes, and energy carry out small resistor with pot body touch pad contacts.
Described electromagnetic conversion operating circuit is the one in the various electromagnetic conversion operating circuits that the existing high-power electromagnetic oven technology of employing is general.
Described power ground adopts the power line of band ground wire.
The beneficial effects of the utility model are: structure is simple, with low cost, elimination radiation effect is good, highly versatile.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is a kind of principle schematic of the present utility model.
Fig. 2 is a kind of example structure schematic diagram of the present utility model.
Mark in figure: 1. metal shell, 2. support panel, 3. radiation coupling, 4. pot body touch pad, 5. cooking pan, 6. electromagnetic conversion operating circuit, 7. power ground.
Detailed description of the invention
Below in conjunction with the principle schematic in accompanying drawing and structural representation, the utility model is further illustrated:
Fig. 1 is a kind of principle schematic of irradiation eliminating apparatus of high-power non-radiation electromagnetic oven, mainly comprises: metal shell (1), support panel (2), radiation coupling (3), pot body touch pad (4), cooking pan (5), electromagnetic conversion operating circuit (6), power ground (7).In the accompanying drawings, metal shell (1) is connected with pot body touch pad (4) small resistor through radiation coupling (3) after being connected with ground wire (7) small resistor in power line again, cooking pan (5) small resistor contact pot body touch pad (4) also passes through the complete shielding cover body of pot body touch pad (4) and radiation coupling (3) and metal shell (1) formation one, electronic circuit inside shielding cover body produces electromagnetic radiation just can carry out shielding absorption with shielding cover body, and carries out by ground wire (7) the connection the earth in power line elimination of releasing.
Fig. 2 is operation principle according to Fig. 1 and the structural representation of the irradiation eliminating apparatus of a kind of high-power non-radiation electromagnetic oven designed, a complete housing is formed by metal shell (1) support panel (2), wherein metal shell (1) is the shell adopting metal material processing shaping, and on the metal shell (1) of the inner coil disc of electric stove of correspondence, leave the circular hole being greater than coil disc of electric stove, support panel (2) covers and is fixed on circular hole, electromagnetic conversion operating circuit (6) and radiation coupling (3) are loaded in housing, support panel (2) pottery, black brilliant plate or other similar materials make, support panel (3) the heatproof temperature adopted is greater than 600 degree, radiation coupling (3) one end is connected with metal shell (1), the other end is connected with pot body touch pad (4), radiation coupling (3) can be capacitor, resistor, resistance-capacitance coupling device etc. can coupled electromagnetic wave device, also can be a wire or the conductor material that is directly connected, adopt different coupling materials as required in practice, reach only shielding by the material parameter controlling coupler and eliminate the electromagnetic radiation leaked, and the magnetic radiation not eliminating generation heat finally realizes electromagnetic oven thermal efficiency supreme good.Pot body touch pad (4) is arranged on the relevant position of shell support panel (2), and small resistor can be carried out with cooking pan (5) to contact, the material that pot body touch pad (4) is good with electric conductivity and outer surface resistance is little makes, its outer surface metal requires light, shape is one or more in disc shape, band shape, wire, strip or point-like body, quantity is one or more, pot body touch pad (4) one end contacts with cooking pan (5) small resistor, and the other end is connected with metal shell (1) small resistor by radiation coupling (3); The material that cooking pan (5) is good with iron or other magnetic properties and outer surface resistance is little makes, and its overall outer surface metal requires bright, the smaller the better with pot body touch pad (4) contact resistance; Electromagnetic conversion operating circuit (6) is the circuit selecting existing high-power electromagnetic oven product, and this circuit is placed on the case inside relevant position be made up of metal shell (1) and support panel (2) and is fixed installation; Power ground (7) adopts the power line of band ground wire, and one end is connected with metal shell (1), and the other end is connected with the ground wire in supply socket, also directly metal shell (1) reliable ground can be saved power ground.
The shielding cover body that between the ground wire in power line (7), metal shell (1), radiation coupling (3) pot body touch pad (4), cooking pan (5), formation one is complete can be made by combining above, just shielding absorption can be carried out with shielding cover body when the electronic circuit in shielding cover body produces electromagnetic radiation, and carry out by ground wire (7) the connection the earth in power line elimination of releasing, finally reach the object to outward leakage hazards of electromagnetic radiation when eliminating electromagnetic oven work.
Claims (2)
1. the irradiation eliminating apparatus of a high-power non-radiation electromagnetic oven, by metal shell, support panel, radiation coupling, pot body touch pad, cooking pan, electromagnetic conversion operating circuit and power ground composition, metal shell and support panel form a complete housing, the electromagnetic conversion operating circuit of electromagnetic oven and radiation coupling are loaded in housing, it is characterized in that: metal shell is connected with pot body touch pad small resistor through radiation coupling after being connected with the ground wire small resistor in power line again, cooking pan small resistor touches pot body touch pad and forms a complete shielding cover body by pot body touch pad and radiation coupling and metal shell, metal shell is except with also can direct ground connection except power ground ground connection.
2. according to the irradiation eliminating apparatus of a kind of high-power non-radiation electromagnetic oven described in claim 1, it is characterized in that: described metal shell is the shell adopting metal material processing shaping, and leave the circular hole being greater than coil disc of electric stove on the metal shell of the inner coil disc of electric stove of correspondence, support panel is fixed on circular hole.
3. the irradiation eliminating apparatus of a kind of high-power non-radiation electromagnetic oven according to claim 1, is characterized in that: described support panel adopts the one in ceramic panel, black crystal panel.
4. the irradiation eliminating apparatus of a kind of high-power non-radiation electromagnetic oven according to claim 1, it is characterized in that: described radiation coupling one end is connected with metal shell small resistor, the other end is connected with pot body touch pad small resistor, and radiation coupling can be the device of a kind of energy coupled electromagnetic wave in capacitor, resistor, resistance-capacitance coupling device.
5. according to the irradiation eliminating apparatus of a kind of high-power non-radiation electromagnetic oven described in claim 1, it is characterized in that: described pot body touch pad installation site, on the relevant position of shell support panel, and energy small resistor touches the cooking pan in work, shape is the one of disc shape, band shape, wire, strip or point-like body, quantity is one or more, the material good by surface conductance performance makes, one end and cooking pan carry out small resistor and contact, and the other end is connected with radiation coupling small resistor.
6. according to the irradiation eliminating apparatus of a kind of high-power non-radiation electromagnetic oven described in claim 1, it is characterized in that: the material of described cooking pan iron makes.
7. according to the irradiation eliminating apparatus of a kind of high-power non-radiation electromagnetic oven described in claim 1, it is characterized in that: described electromagnetic conversion operating circuit adopts high-power electromagnetic oven technology electromagnetic conversion operating circuit.
8. according to the irradiation eliminating apparatus of a kind of high-power non-radiation electromagnetic oven described in claim 1, it is characterized in that: described power ground adopts the power line of band ground wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579963.7U CN204460396U (en) | 2014-10-09 | 2014-10-09 | A kind of irradiation eliminating apparatus of high-power non-radiation electromagnetic oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420579963.7U CN204460396U (en) | 2014-10-09 | 2014-10-09 | A kind of irradiation eliminating apparatus of high-power non-radiation electromagnetic oven |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204460396U true CN204460396U (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420579963.7U Active CN204460396U (en) | 2014-10-09 | 2014-10-09 | A kind of irradiation eliminating apparatus of high-power non-radiation electromagnetic oven |
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| CN (1) | CN204460396U (en) |
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2014
- 2014-10-09 CN CN201420579963.7U patent/CN204460396U/en active Active
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